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Question 1:
a) The aim of a computer network is to increase efficiency and reduce costs. Describe how networks achieve the above.
b) Explain briefly how the bus topology operates. Support your answer with appropriate diagrams.
c) Briefly describe the following terms associated with networking :
a) Server b) Client c) Protocol d) Media
Question 2:
a) Apart from computer viruses, briefly explain THREE other security problems that can emanate from the Internet.
b) Differentiate between a static and a a dynamic web site.
c) What are the differences between electronic mail and paper mail ? How do these affect the modern office?
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What is control store? The microroutines for all the instructions in the instruction set of a computer are kept in a special memory known as the control store.
Name the four steps in pipelining. Fetch : Read the instruction from the memory. Decode : Decode the instruction and get the source operand. Execute : Perform the operat
Description Variables show values that can be changed within a procedure or function. Local scope variables are placeholders that reside within a function- or a script-body.
GlobalFon is an international communication company, which offers international prepaid calling cards. They introduced three different types of cards, (1) AsiaFon: is cheapest for
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The LOOP-ENDLOOP on extract datasets can be used without any kind of errors False. It causes runtime errors.
Explain the Features of Major scheduling algorithms. The Features of Major scheduling algorithms is given below: FCFS - i.e. First come first served scheduli
Write a 'C' functions to arrange the elements of an integer array in such a way that all the negative elements are before the positive elements. The array is passed to it as an arg
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